ATE550529T1 - SCR SYSTEM FOR PURIFYING EXHAUST GASES IN NOX - Google Patents
SCR SYSTEM FOR PURIFYING EXHAUST GASES IN NOXInfo
- Publication number
- ATE550529T1 ATE550529T1 AT09724897T AT09724897T ATE550529T1 AT E550529 T1 ATE550529 T1 AT E550529T1 AT 09724897 T AT09724897 T AT 09724897T AT 09724897 T AT09724897 T AT 09724897T AT E550529 T1 ATE550529 T1 AT E550529T1
- Authority
- AT
- Austria
- Prior art keywords
- nox
- scr system
- exhaust gases
- purifying exhaust
- tank
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1426—Filtration means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1493—Purging the reducing agent out of the conduits or nozzle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
SCR system comprising a tank for storing an additive, an injector, a pump for conveying the additive from the tank to the injector via an injection line, a primary filter located on the injection line between the tank and the pump and a secondary filter also located on the injection line but between the pump and the injector, said system further comprising a particle trap located between both filters.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4021508P | 2008-03-28 | 2008-03-28 | |
EP08155793 | 2008-05-07 | ||
PCT/EP2009/053475 WO2009118325A1 (en) | 2008-03-28 | 2009-03-25 | SCR SYSTEM FOR PURIFYING EXHAUST GASES IN NOx |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE550529T1 true ATE550529T1 (en) | 2012-04-15 |
Family
ID=39765062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT09724897T ATE550529T1 (en) | 2008-03-28 | 2009-03-25 | SCR SYSTEM FOR PURIFYING EXHAUST GASES IN NOX |
Country Status (7)
Country | Link |
---|---|
US (1) | US9205377B2 (en) |
EP (1) | EP2262987B1 (en) |
JP (1) | JP5629678B2 (en) |
KR (1) | KR101523123B1 (en) |
CN (1) | CN101981286B (en) |
AT (1) | ATE550529T1 (en) |
WO (1) | WO2009118325A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5555023B2 (en) * | 2010-03-19 | 2014-07-23 | 日野自動車株式会社 | Exhaust purification device |
FR2958681B1 (en) * | 2010-04-13 | 2012-05-25 | Peugeot Citroen Automobiles Sa | PURGE PHASE STEERING STRATEGY ON A SELECTIVE CATALYTIC REDUCTION SYSTEM |
SE535326C2 (en) * | 2010-04-23 | 2012-06-26 | Scania Cv Ab | Method and system for determining the need for replacement or cleaning of a filter unit in a liquid dosing system of an SCR system |
WO2012053265A1 (en) * | 2010-10-22 | 2012-04-26 | ボッシュ株式会社 | Reducing agent supply device, control method for reducing agent supply device, and exhaust gas purification device |
US8822887B2 (en) | 2010-10-27 | 2014-09-02 | Shaw Arrow Development, LLC | Multi-mode heater for a diesel emission fluid tank |
DE102011010640A1 (en) * | 2011-02-09 | 2012-08-09 | Emitec France S.A.S | Feed unit for conveying reducing agent |
US9089799B2 (en) * | 2011-08-08 | 2015-07-28 | Ti Group Automotive Systems, L.L.C. | Fluid distribution system with filtration |
US8689544B2 (en) | 2011-07-15 | 2014-04-08 | GM Global Technology Operations LLC | Emission control system for a vehicle |
USD729141S1 (en) | 2014-05-28 | 2015-05-12 | Shaw Development LLC | Diesel emissions fluid tank |
USD729722S1 (en) | 2014-05-28 | 2015-05-19 | Shaw Development LLC | Diesel emissions fluid tank floor |
JP6512159B2 (en) * | 2016-04-18 | 2019-05-15 | トヨタ自動車株式会社 | Engine lubrication system |
DE102016010100A1 (en) * | 2016-08-24 | 2018-03-01 | Deutz Aktiengesellschaft | Internal combustion engine |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0839264B1 (en) * | 1994-09-13 | 1999-12-01 | Siemens Aktiengesellschaft | Process and device for introducing a fluid into an exhaust gas purification system |
US5511957A (en) * | 1994-09-27 | 1996-04-30 | Walbro Corporation | High capacity fuel pump and filter combination |
JPH08323116A (en) * | 1995-06-05 | 1996-12-10 | Ishikawajima Harima Heavy Ind Co Ltd | Strainer |
US5976475A (en) * | 1997-04-02 | 1999-11-02 | Clean Diesel Technologies, Inc. | Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction |
FR2772635B1 (en) * | 1997-12-18 | 2000-06-16 | Snecma | AUTOLAVABLE DEVICE FOR SEPARATION AND FILTRATION OF SOLID PARTICLES IN A FLOW OF LIQUID AND APPLICATION TO A FUEL INJECTION CIRCUIT INCLUDING SUCH A DEVICE |
WO1999051366A1 (en) * | 1998-03-31 | 1999-10-14 | Houei Syoukai Co., Ltd. | Method for producing soil, soil-treating unit, method for treating and unit for treating |
US20030168402A1 (en) * | 2002-02-28 | 2003-09-11 | Webb Inc. | Fluid treatment system and apparatus |
GB2395144A (en) * | 2002-09-24 | 2004-05-19 | Hattersley Newman Hender Ltd | A straining device |
JP2005226557A (en) * | 2004-02-13 | 2005-08-25 | Denso Corp | Fuel injection valve |
CN1923344B (en) * | 2004-12-07 | 2010-06-16 | 陈妙生 | Waste gas purifier |
FR2879239A1 (en) * | 2004-12-15 | 2006-06-16 | Inergy Automotive Systems Res | SYSTEM FOR STORING AND INJECTING AN ADDITIVE IN EXHAUST GASES OF AN ENGINE |
JP3686672B1 (en) * | 2004-12-24 | 2005-08-24 | 日産ディーゼル工業株式会社 | Engine exhaust purification system |
DE102005037201A1 (en) * | 2005-08-06 | 2007-02-22 | Eichenauer Heizelemente Gmbh & Co. Kg | heating system |
US7216481B2 (en) * | 2005-09-23 | 2007-05-15 | Delphi Technologies, Inc. | Method and apparatus for regeneration of engine exhaust aftertreatment devices |
JP4364193B2 (en) * | 2005-12-15 | 2009-11-11 | 日立建機株式会社 | Construction equipment fuel supply system |
JP2007321647A (en) * | 2006-05-31 | 2007-12-13 | Hitachi Ltd | Exhaust gas treatment apparatus for engine |
EP2029865B1 (en) * | 2006-06-08 | 2010-10-06 | Inergy Automotive Systems Research (Société Anonyme) | Engine exhaust gas additive storage system |
US20090205316A1 (en) * | 2006-07-13 | 2009-08-20 | Inergy Automotive Systems Research (Societe Anonyme) | System and processes for storing an additive and injecting it into the exhaust gases of an engine |
-
2009
- 2009-03-25 AT AT09724897T patent/ATE550529T1/en active
- 2009-03-25 EP EP09724897A patent/EP2262987B1/en not_active Not-in-force
- 2009-03-25 US US12/933,627 patent/US9205377B2/en not_active Expired - Fee Related
- 2009-03-25 KR KR1020107022544A patent/KR101523123B1/en not_active IP Right Cessation
- 2009-03-25 JP JP2011501206A patent/JP5629678B2/en not_active Expired - Fee Related
- 2009-03-25 CN CN2009801104414A patent/CN101981286B/en not_active Expired - Fee Related
- 2009-03-25 WO PCT/EP2009/053475 patent/WO2009118325A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US9205377B2 (en) | 2015-12-08 |
KR101523123B1 (en) | 2015-05-26 |
US20110016853A1 (en) | 2011-01-27 |
CN101981286A (en) | 2011-02-23 |
WO2009118325A1 (en) | 2009-10-01 |
JP2011518272A (en) | 2011-06-23 |
JP5629678B2 (en) | 2014-11-26 |
EP2262987B1 (en) | 2012-03-21 |
EP2262987A1 (en) | 2010-12-22 |
CN101981286B (en) | 2013-03-13 |
KR20100127266A (en) | 2010-12-03 |
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